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Photo: Yale Lake, Washington State, USA - November 1981 by Tequask (CC BY-SA 4.0) License
Hot — visit early

This 3,780-acre reservoir on the Lewis River features boating & other recreational activities.

Current water conditions

Water temp
72°F
22°C
Comfortable for a swim today. The water's in a comfortable range. Still check depth, currents, and the forecast, and follow any posted advisories before getting in.

Live data from NOAA buoy LOPW1 (31.2 mi away), as of Aug 20, 10:30 PM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at Yale Lake

H: 90° L: 63°
Sunny
Sunny
90°
|
Feels like 89°
Precipitation
1%
Humidity
31%
Wind
5 mph
UV Index
4
Water Conditions:
🏊Perfect for swimming
12 AM
Clear
71°
3 AM
Clear
66°
6 AM
Clear
63°
9 AM
Cloudy
67°
12 PM
Sunny
83°
3 PM
Sunny
90°
6 PM
Sunny
88°
9 PM
Clear
77°

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Frequently asked questions

Where is Yale Lake?
Yale Lake is a lake in Washington.
What is the water temperature at Yale Lake?
As of August 20, 2026, the water temperature at Yale Lake in Washington is 72°F (22°C), measured by NOAA buoy LOPW1, 31.2 miles away.
Can you swim at Yale Lake?
There is no fixed answer for Yale Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Yale Lake in Washington. Check current water conditions before you go, and follow posted signs and local guidance.
How is Yale Lake rated?
Yale Lake in Washington has an average visitor rating of 4.8 out of 5, based on 106 reviews.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

☀️
Right Now
Very warm - visit early morning or evening
🏞️ Lakes Tips:
  • Check for boat launch facilities and fees
  • Obtain required fishing licenses before arrival
  • Be aware of lake-specific regulations and restrictions
  • Monitor water quality reports before swimming
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Washington

Washington None

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